Home / 1,002,995.45-1,384,158-550,286.45

Finding the Fourth Proportional to 1,002,995.45, 1,384,158 and 550,286.45

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Solution

The fourth proportional to 1,002,995.45, 1,384,158 and 550,286.45 is: 759,408.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,002,995.45 : 1,384,158 = 550,286.45 : x
  2. Step 2: Convert to fraction form
    1,002,995.45/1,384,158 = 550,286.45/x
  3. Step 3: Cross multiply
    1,002,995.45x = 1,384,158 × 550,286.45
  4. Step 4: Simplify right side
    1,002,995.45x = 761,683,385,138.31
  5. Step 5: Solve for x
    x = 761,683,385,138.31/1,002,995.45
  6. Step 6: Final answer
    x = 759,408.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.